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Finite Math Examples
, ,
Step 1
The z-score converts a non-standard distribution to a standard distribution in order to find the probability of an event.
Step 2
Step 2.1
Fill in the known values.
Step 2.2
Simplify the expression.
Step 2.2.1
Cancel the common factor of and .
Step 2.2.1.1
Rewrite as .
Step 2.2.1.2
Factor out of .
Step 2.2.1.3
Factor out of .
Step 2.2.1.4
Cancel the common factors.
Step 2.2.1.4.1
Factor out of .
Step 2.2.1.4.2
Cancel the common factor.
Step 2.2.1.4.3
Rewrite the expression.
Step 2.2.2
Simplify the expression.
Step 2.2.2.1
Add and .
Step 2.2.2.2
Multiply by .
Step 2.2.2.3
Move the negative in front of the fraction.